172246 has 8 divisors (see below), whose sum is σ = 262224. Its totient is φ = 84840.

The previous prime is 172243. The next prime is 172259. The reversal of 172246 is 642271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465 + ... + 748.

It is an arithmetic number, because the mean of its divisors is an integer number (32778).

172246 is a Friedman number, since it can be written as 2426*71, using all its digits and the basic arithmetic operations.

2¹⁷²²⁴⁶ is an apocalyptic number.

172246 is a deficient number, since it is larger than the sum of its proper divisors (89978).

172246 is a wasteful number, since it uses less digits than its factorization.

172246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286.

The product of its digits is 672, while the sum is 22.

The square root of 172246 is about 415.0253004336. The cubic root of 172246 is about 55.6394781990.

The spelling of 172246 in words is "one hundred seventy-two thousand, two hundred forty-six".